A method for adjusting and controlling the roll gap of a roller press

Abstract

The invention relates to a method for adjusting and controlling the roll gap of a roller press, comprising the following steps: 1) Checking the position of the blanking point and the segregation of the weighing bin in different positions, checking the uniform distribution of the circulating material feed, and measuring the input The passing speed of the material; 2), change the cross-sectional area of ​​the slide, improve the mixing uniformity of the material, and calculate the required cross-sectional area according to the maximum throughput designed by the roller press; 3), set a baffle plate in the slide into the weighing bin; 4), Adjust the additional baffle to different positions to control the roll gap. This method is applicable to a grinding production system with a roller press and a weighing bin, and can adjust the deviation of the roll gap during production, control the axial force of the resulting rollers, and make the production state more controlled and stable.

Description

technical field [0001] The invention belongs to the field of cement production and relates to a method for adjusting and controlling the roll gap of a roller press used in cement production. The method is suitable for a grinding production system with a roller press and a weighing bin. Background technique [0002] In the cement production process, the use of roller presses is very popular in both raw meal grinding and cement grinding. The automatic control circuit of the roller press includes constant pressure control and constant roll gap control. In order to make the value of the gap difference between the two sides of the roller press not exceed the limit, it is controlled by the start and stop of the hydraulic pump, and both are controlled by Sacrifice the efficacy of the roller press as a condition. Therefore, the deviation of the roll gap always exists and is in a passive control state. [0003] The deviation of the roll gap will cause many problems, such as the axi...

AI Technical Summary

Problems solved by technology

Under normal circumstances, the slides entering the weighing chamber are designed at the center of the weighing chamber roof. Due to the large size of the slides and the deviation of the incoming material direction, the landing point of the materials entering the weighing chamber is not in the center of the weighing chamber in most cases, resulting in the roll gap of the roller press. The generation of deviation; in production practice, some production lines limit the drop point of materials and improve the uniformity of materials entering the warehouse by lengthening the length of the feeding chute into the weighing bin. Although the deviation of the roll gap can be reduced to a certain extent, it is still The purpose of adjusting and controlling the roll gap cannot be achieved

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